Characteristics of ultrasonic ranging sensors in an underground environment
By: by W.H. Strickland and R.H. King.
Contributors: King, Robert H.
Series: Report of investigations -- 9452.; Report of investigations (United States. Bureau of Mines) -- 9452.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1993
Place of publication: Washington, D.C
Language: eng
Format: Microform
Number of pages: 39
Subjects: Mining machinery -- Automatic control.; Sonar.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 93-0811-M.

Includes bibliographical references (p. 35-36).

Microfiche. [Washington, D.C. : Supt. of Docs., U.S. G.P.O., 1993] 1 microfiche : negative.